Carton Clamp:Designed for the warehousing, beverage, appliance and electronics industries, carton clamps allow palletless handling, and save money on pallet purchasing, maintenance, shipping and storage. Also improve warehouse space utilization. 1. Proven and well designed arms and T-shape arm bars ensure smooth moving and good durability.2. Special designed check valve provide sideshifting without the third cylinder.3. Superior slide bearing promises extended service life.4. Small pieces of high quality nylon contact pads save service and maintenance cost.5. Four-Position Regulator Valve ensures different clamping pressure for different applications.6. Regenerative hydraulic valve for optimal arm speed.7. 2 pieces of truck auxiliary valves are necessary. 140bar≤ Working Pressure ≤180bar.8. Fitting Screw M18X1.5-74°(concave); Recommended Hydraulic Pipe internal diameter = 10mm .